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November 21, 2014

An important factor in the airtightness of a building, and its energy efficiency, is the amount of infiltration allowed through closed windows and doors. Typical old double-hung windows are especially prone to infiltration. [continue reading]

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December 29, 2013

Last July, two California companies made a splash in the residential window-manufacturing industry when they announced that their new energy-efficient windows had been certified by the Passivhaus Institut (PHI) in Germany. Casagrande Woodworks and Wooden ... [continue reading]

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November 01, 2011

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November 01, 2010

Home Energy recently visited one of window wright Dave Clark's jobs in an area of Berkeley, California, called the Gourmet Ghetto. Clark has worked on every one of the windows in this house. [continue reading]